holo-client/src/main/java/com/alibaba/hologres/client/Command.java [70:88]:
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		StringBuilder sb = new StringBuilder(512);
		sb.append("with inh as ( \n");
		sb.append("    SELECT i.inhrelid, i.inhparent \n");
		sb.append("    FROM pg_catalog.pg_class c \n");
		sb.append("    LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace \n");
		sb.append("    LEFT JOIN pg_catalog.pg_inherits i on c.oid=i.inhparent \n");
		sb.append("    where n.nspname=? and c.relname=? \n");
		sb.append(") \n");
		sb.append("select \n");
		sb.append("    n.nspname as schema_name, \n");
		sb.append("    c.relname as table_name, \n");
		sb.append("    inh.inhrelid, inh.inhparent, p.partstrat, \n");
		sb.append("    pg_get_expr(c.relpartbound, c.oid, true) as part_expr, \n");
		sb.append("    p.partdefid, \n");
		sb.append("    p.partnatts, \n");
		sb.append("    p.partattrs \n");
		sb.append("from inh \n");
		sb.append("join pg_catalog.pg_class c on inh.inhrelid = c.oid \n");
		sb.append("join pg_catalog.pg_namespace n on c.relnamespace = n.oid \n");
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holo-client/src/main/java/com/alibaba/hologres/client/impl/util/ConnectionUtil.java [254:272]:
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		StringBuilder sb = new StringBuilder(512);
		sb.append("with inh as ( \n");
		sb.append("    SELECT i.inhrelid, i.inhparent \n");
		sb.append("    FROM pg_catalog.pg_class c \n");
		sb.append("    LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace \n");
		sb.append("    LEFT JOIN pg_catalog.pg_inherits i on c.oid=i.inhparent \n");
		sb.append("    where n.nspname=? and c.relname=? \n");
		sb.append(") \n");
		sb.append("select \n");
		sb.append("    n.nspname as schema_name, \n");
		sb.append("    c.relname as table_name, \n");
		sb.append("    inh.inhrelid, inh.inhparent, p.partstrat, \n");
		sb.append("    pg_get_expr(c.relpartbound, c.oid, true) as part_expr, \n");
		sb.append("    p.partdefid, \n");
		sb.append("    p.partnatts, \n");
		sb.append("    p.partattrs \n");
		sb.append("from inh \n");
		sb.append("join pg_catalog.pg_class c on inh.inhrelid = c.oid \n");
		sb.append("join pg_catalog.pg_namespace n on c.relnamespace = n.oid \n");
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